Mold for glassware.



UNITED STATES PATENT OFFICE.

WILLIAM BUTLER, OF REDKEY, INDIANA.

MOLD FOR GLASSWARE.

VSPE(JIFICAIION forming part of Letters Patent No. 639,146, datedDecember 12, 1899.

' Application led October 30, 1896. Serial No.-610,557. (No model.)

T0 @ZZ whom it may concern.-

Be it known that i, WILLIAM BUTLER, of Redkey, in the county of Jay andState of Indiana, have invented anew and useful Improvement in Molds forGlassware, of which the following is a full, clear, and exactdescription, reference beinghad to the accompanying drawing, formingpart of this speci- Iication, which represents a vertical section of myimprovement, showingthe glass article in the mold.

My invention relates to apparatus for making two articles of glasswarein one operation and in a single piece, these being cracked apart afterforming, and especially to the making of articles in this manner whereone of the articles has a screw-threaded end or other projectingportions.

As shown in the drawing, 2 represents the upper part of the mold, madeof two sections, hinged together at 3, and having a matrixcavity of theshape of a lamp-chimney, and

at the base of said cavity a portion 4, which Y is of the shape oftheextern ally-screw-threadblown into the conjoined cavityof each of 3o themolds and produces a blank of the form blank so made is divided bycracking on the 4o line b b.

A mold for making two articles of glassware at one operation, comprisingtwo mold parts,

shaped respectively to suit the shape of the 45 articles to be made, theupper mold part being in vertically-divided sections adapted to form aglass article open at both ends, and4 having itsmatrix shaped at the endto form projections on the end portion of the article 5a the bodyportion of which is formed in the other mold part the lower mold partbeing made in a single integral piece.

In testimony whereof I have hereunto set my hand.

WILLIAM BUTLER.

Witnesses:

THoMAs W. BAKEWELL, I-I. M. CoRwIN.

The form- 35

